2009 Citroen C6 vs. 2003 Opel Vectra
To start off, 2009 Citroen C6 is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 2,993 cc (6 cylinders), 2009 Citroen C6 is equipped with a bigger engine. In terms of performance, 2009 Citroen C6 (209 HP @ 6000 RPM) has 86 more horse power than 2003 Opel Vectra. (123 HP @ 3250 RPM). In normal driving conditions, 2009 Citroen C6 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Citroen C6 weights approximately 182 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2009 Citroen C6 (290 Nm @ 3750 RPM) has 10 more torque (in Nm) than 2003 Opel Vectra. (280 Nm @ 1500 RPM). This means 2009 Citroen C6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2009 Citroen C6 | 2003 Opel Vectra | |
| Make | Citroen | Opel |
| Model | C6 | Vectra |
| Year Released | 2009 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2171 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 209 HP | 123 HP |
| Engine RPM | 6000 RPM | 3250 RPM |
| Torque | 290 Nm | 280 Nm |
| Torque RPM | 3750 RPM | 1500 RPM |
| Engine Bore Size | 87 mm | 84 mm |
| Engine Stroke Size | 82.6 mm | 98 mm |
| Engine Compression Ratio | 10.9:1 | 18.5:1 |
| Top Speed | 230 km/hour | 199 km/hour |
| Acceleration 0-100mph | 10 seconds | 12.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1815 kg | 1633 kg |
| Vehicle Length | 4910 mm | 4830 mm |
| Vehicle Width | 1870 mm | 1800 mm |
| Vehicle Height | 1470 mm | 1470 mm |
| Wheelbase Size | 2910 mm | 2610 mm |
| Fuel Consumption Overall | 11.2 L/100km | 7.4 L/100km |
